Underoos

1978 Underoos Commercial Introducing Supergirl, SuperFriends Wiki

Underoos: Old Memories

Why is Spider-Man called “Underoos” in Captain America: Civil War? - Quora

Why is Spider-Man called “Underoos” in Captain America: Civil War? - Quora

reverse of Superman Underoos package, Pete Sorbi

7 things you never knew about Underoos

Underoos are BACK (And Magical)

Underoos Cotton Underwear for Men for sale

Underoos are back from Hot Topic —and they're for adults